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Proceedings Paper

The REPUSIL process and the capability of fluorine doping for the adjustment of optical and thermochemical properties in silica materials
Author(s): K. Schuster; St. Grimm; A. Kalide; Jan Dellith; M. Leich; A. Schwuchow; S. Unger; A. Langner; G. Schötz; H. Bartelt
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Paper Abstract

We report on the fluorine incorporation in powder based materials for the fabrication of Al and Al/Yb co-doped silica glasses. The achieved maximum Fluorine concentration of 1.55 mol% SiF4 corresponds to a refractive index decrease of -8 x 10-3. Simultaneously, the Tg of the doped material is reduced by about 200 K compared to pure silica. Moreover, the fluorine doping is also eminently suitable for the direct refractive index adjustment in active doped silica glass materials (e.g. Al/Yb or Al/Tm). The index matching with pure silica is possible to date up to 2.7 mol% Al2O3 and 0.1 mol% Yb2O3. The additional influence on the blue shift of the UV transmission will also be discussed.

Paper Details

Date Published: 16 March 2015
PDF: 7 pages
Proc. SPIE 9359, Optical Components and Materials XII, 935914 (16 March 2015); doi: 10.1117/12.2077395
Show Author Affiliations
K. Schuster, Leibniz-Institut für Photonische Technologien e.V. (Germany)
St. Grimm, Leibniz-Institut für Photonische Technologien e.V. (Germany)
A. Kalide, Leibniz-Institut für Photonische Technologien e.V. (Germany)
Jan Dellith, Institut für Photonische Technologien e.V. (Germany)
M. Leich, Leibniz-Institut für Photonische Technologien e.V. (Germany)
A. Schwuchow, Leibniz-Institut für Photonische Technologien e.V. (Germany)
S. Unger, Leibniz-Institut für Photonische Technologien e.V. (Germany)
A. Langner, Heraeus Quarzglas GmbH & Co. KG (Germany)
G. Schötz, Heraeus Quarzglas GmbH & Co. KG (Germany)
H. Bartelt, Leibniz-Institut für Photonische Technologien e.V. (Germany)


Published in SPIE Proceedings Vol. 9359:
Optical Components and Materials XII
Shibin Jiang; Michel J. F. Digonnet, Editor(s)

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